DIGITAL ECU TUNER 3 – User Manual
Attention!
Digital ECU Tuner 3 can be used only for motor sports and cannot be used on public
roads!
The installation of the device can be conducted only by trained specialists. The
installation performed by an unskilled person may lead to the damage of both the device
and the engine!
Incorrect tuning of the engine with Digital ECU Tuner 3 (DET3) can result in a serious
damage of your vehicle!
Never modify the device’s settings when the car is moving because it may cause an
accident!
Ecumaster is not responsible for the damages caused by an incorrect installation or/ and
tuning of the device!
Important !
The manual below refers to the 1.0 (HW Version 1.0) version of the Digital ECU Tuner 3
(DET3).
Modification of the tables should be conducted only by people who understand the
working rules of the device and working rules of the modern injection and ignition
systems.
Always use the AFR meter during the modification of fuel settings.
Never short-circuit the lines of the engine’s wiring loom as well as the outputs of the
DET3 device.
All modifications of the engine’s wiring loom as well as of the DET3 device must be
performed with the unplugged negative terminal of the battery.
It is important for the quality of the joints of the wiring loom links to be high and to be
correctly insulated.
The connection wires should not be longer than 30 cm.
All signals from the variable reluctant sensors should be connected by using shielded
cables.
Every unused input should be connected to the Ground.
The device must be disconnected during welding of any car body elements,!
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